Finding the Fourth Proportional to 5,034,122.62, 6,946,885.80 and 3,077,277.94
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Solution
The fourth proportional to 5,034,122.62, 6,946,885.80 and 3,077,277.94 is: 4,246,519.21
Step by Step Solution
- Step 1: Write the proportion equation
5,034,122.62 : 6,946,885.80 = 3,077,277.94 : x - Step 2: Convert to fraction form
5,034,122.62/6,946,885.80 = 3,077,277.94/x - Step 3: Cross multiply
5,034,122.62x = 6,946,885.80 × 3,077,277.94 - Step 4: Simplify right side
5,034,122.62x = 21,377,498,424,039.25 - Step 5: Solve for x
x = 21,377,498,424,039.25/5,034,122.62 - Step 6: Final answer
x = 4,246,519.21
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.